Given f(x) = 2x + 5 and g(x) = 3x + 6 then what is (f-g)(8))? *******PLEASE HELP*************

asked Nov 13, 2018 95.8k views

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Given f(x) = 2x + 5 and g(x) = 3x + 6

then what is (f-g)(8))?

*******PLEASE HELP*************

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5 votes

(f-g)x = 2x + 5 - (3x + 6) = -x-1
so
(f-g)(8) = -8-1 = -9

Steven Evers answered Nov 14, 2018

8.8k points

2 votes

I hope this helps you

f(8)=2.8+5=21

g(8)=3.8+6=30

f-g(8)=21-30= -9

CarpeNoctumDC answered Nov 18, 2018

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